#include <stdio.h>
/**
 * 主函数
 */
main()
{
    int n1 = 15;/*定义变量n1*/
    short n2 = -15; //定义short类型变量n2
    unsigned short n3 = 0xffe0;
    unsigned char c = 15;
    n1 = n1 >> 2;
    n2 >>= 3;
    n3 >>= 4;
    c >>= 3;
    printf("n1=%x,n2=%d,n3=%x,c=%x", n1, n2, n3, c);
}